TPS2148
TPS2158
SLVS373 – AUGUST 2001
TPS2148 functional block diagram
3.3 V / 200 mA
LDO
LDO_OUT
VIN/SWIN1
LDO_EN
CS
OUT2
Charge
Pump
Current
Limit
Driver
EN2
Thermal
Sense
OUT1
CS
Current
Limit
Driver
EN2
Thermal
Sense
GND
Terminal Functions
TERMINAL
NO.
I/O
DESCRIPTION
NAME
TPS2148 TPS2158
EN1
EN1
EN2
EN2
GND
8
I
I
Logic level enable to transfer power to OUT1
Logic level enable to transfer power to OUT2
8
7
7
5
6
3
1
4
2
5
6
3
1
4
2
Ground
LDO_EN
LDO_OUT
OUT1
I
Logic level LDO enable. Active high.
LDO output
O
O
Switch 1 output
OUT2
Switch 2 output
VIN/SWIN1
I
Input for LDO and switch 1; device supply voltage
7
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